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231679 (1995 QE1)
Classification: Outer Main-belt Asteroid          SPK-ID: 2231679
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .141288257055494 1.0922e-07  
a 3.237010928970983 6.2796e-08 au
q 2.779659296747087 3.6279e-07 au
i 5.238149050623841 1.4243e-05 deg
node 162.7243676133919 9.3355e-05 deg
peri 145.1736293213295 0.00010205 deg
M 242.8561211427273 4.2132e-05 deg
tp 2458292.700286786938
(2018-Jun-23.20028679)
0.00025952 JED
period 2127.231108224712
5.82
6.1901e-05
1.695e-07
d
yr
n .1692340802125817 4.9246e-09 deg/d
Q 3.694362561194878 7.1669e-08 au
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      7534 days (20.63 yr)  
   first obs. used      1995-08-19  
   last obs. used      2016-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5663  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 18:18:56  

Additional Information
 Earth MOID = 1.7667 au 
 Jupiter MOID = 1.5847 au 
 T_jup = 3.163 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0 mag n/a MPO367551  

231679 (1995 QE1)          Discovered 1995-Aug-19 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Alternate Designations
 1995 QE1 = 1995 SB40 = 2001 SC208 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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